In 2000 there were 47 physicians, 353 nurses, 11 dentists, and 30 pharmacists. As of 1996 there were 4.9 physicians, 4.2 nurses, and 0.06 dentists per 1,000 people. The one general hospital on Dominica is in Roseau, the 195-bed Princess Margaret Hospital. There are 7 health centers and 44 clinics scattered across the island. Serious tropical diseases such as yaws and malaria have been eradicated, but owing to the high humidity and rainy conditions, tuberculosis and other respiratory diseases continue to be a problem. Intestinal parasites afflict particularly those in the early years of life. There were 2,000 births in 1994. Only 7% of newborns were low birth weight between 1992 and 1995. As of 2002, the infant mortality rate was estimated at 16 per 1,000 live births. Average life expectancy was 74 years. In 1997, 99% of the country's children were immunized against measles and the same percentage for DPT, tuberculosis, and polio. Some 31 new cases of AIDS were reported in 1996 and 12 new cases of tuberculosis were reported in 1994. There were no cases of polio or measles reported on the island in 1994.